• A definition/description of the source (one –two sentences)


  • The actual pollutants associated with the source (list)


  • Potential impacts/dangers of the pollutants (list)

  • Urban runoff is the runoff leftover from precipitation that hits impermeable surface such as building and other kinds of shelter.





    Pollutants:

    • Fertilizers
    • Pesticides
    • Trash
    • Zinc
    • Nitrates
    • Phosphorus
    • synthetic organic compounds
    • polycyclic aromatic hydrocarbons


Dangers:

  • If fertilizers and pesticides get into the water, then it is contaminated, and if someone or something drinks or uses the water, depending on what kind of pesticide, it could harm that person/thing.
    • Leading source of issues in water quality.
    • Heats up streams, which harms things like fish.
      • o If there is a sudden burst of it, the stream changes into hot water so rapidly that it kills the fish.
    • Eutrophication often occurs, which is when substances enter a stream.
      • o One way to tell if eutrophication occurred in a stream would be its color.